National Catholic Register: What the Bible Says on Degrees of Sin and Mortal Sin
Sin is described in the Bible as transgression of the law of God (1 John 3:4) and rebellion against God (Deuteronomy 9:7). Sin had its beginning with Lucifer, probably the most beautiful and powerful of the angels. Not content with his position, he desired to be higher than God, and that was his downfall, the beginning of sin (Isaiah 14:12-15). Renamed Satan, he brought sin to the human race ...
Words for “sin” vary according to English translations and context: ungodliness, transgression, trespass, iniquity, unrighteousness, and others. The Bible also speaks of “the flesh,” which is the evil root of all sin, the depravity transmitted from Adam to all his children.
What is the definition of sin? How can I know if something is a sin? What is the unpardonable sin?
In Romans 3:20, apostle Paul declares that “by the law is the knowledge of sin” (NKJV), which explains the law’s function in revealing and defining human sin. This verse is part of a more extensive discussion on justification and the futility of attempting to earn righteousness through the works of the law. In the first part of Romans, Paul discusses the universal sinfulness of humanity ...
What does “by the law is the knowledge of sin” mean (Romans 3:20)?
The Bible does not mention masturbation, self-gratification, or “solo sex,” as it’s sometimes called. In its silence on the subject, the Bible does not say that masturbation is (or is not) a sin. Some people take the view that masturbation is a lustful act and is always wrong; others believe it involves a normal bodily function and has nothing to do with sin.